18024505

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{4001}}^1$

素因数の和:4076

約数の個数: 16

約数和(自身を含む): 23339664

約数和(自身を除く): 5315159

約数列:

[1, 5, 17, 53, 85, 265, 901, 4001, 4505, 20005, 68017, 212053, 340085, 1060265, 3604901, 18024505]

約数ペア:

[(1, 18024505), (5, 3604901), (17, 1060265), (53, 340085), (85, 212053), (265, 68017), (901, 20005), (4001, 4505)]